100456722045 has 20 divisors (see below), whose sum is σ = 180077976540. Its totient is φ = 53576918208.

The previous prime is 100456722019. The next prime is 100456722131. The reversal of 100456722045 is 540227654001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 56787843204 + 43668878841 = 238302^2 + 208971^2 .

It is not a de Polignac number, because 100456722045 - 2⁷ = 100456721917 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 124020240 + ... + 124021049.

It is an arithmetic number, because the mean of its divisors is an integer number (9003898827).

Almost surely, 2^100456722045 is an apocalyptic number.

100456722045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100456722045 is a deficient number, since it is larger than the sum of its proper divisors (79621254495).

100456722045 is an equidigital number, since it uses as much as digits as its factorization.

100456722045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248041306 (or 248041297 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The spelling of 100456722045 in words is "one hundred billion, four hundred fifty-six million, seven hundred twenty-two thousand, forty-five".